[fix]. Reply on unsupported @codex commands

tests/test_commands.py

@@ -1,4 +1,4 @@
-from gitea_codex_bot.services.commands import parse_command
+from gitea_codex_bot.services.commands import detect_prefixed_command, parse_command
 
 
 def test_parse_review_command_modes() -> None:
@@ -49,3 +49,11 @@ def test_parse_help_long_flag_and_arguments() -> None:
     assert cmd is not None
     assert cmd.name == "help"
     assert cmd.arguments == ["status", "quick"]
+
+
+def test_detect_prefixed_command_for_unsupported_name() -> None:
+    assert detect_prefixed_command("@codex shipit now", aliases={"codex"}) == "shipit"
+
+
+def test_detect_prefixed_command_returns_none_for_non_alias() -> None:
+    assert detect_prefixed_command("@someone review", aliases={"codex"}) is None

tests/test_webhook.py

@@ -254,6 +254,66 @@ def test_webhook_accepts_help_short_flag_and_queues(monkeypatch) -> None:
         assert queued.command == "help"
 
 
+def test_webhook_replies_fix_is_no_longer_supported(monkeypatch) -> None:
+    posted_comments: list[str] = []
+    monkeypatch.setattr(
+        "gitea_codex_bot.services.gitea.GiteaClient.post_issue_comment",
+        lambda _self, _repo, _pr, body: posted_comments.append(body) or 100,
+    )
+
+    client = TestClient(app)
+    payload_obj = _payload("@codex fix --branch", username="alice", comment_id=444)
+    raw = json.dumps(payload_obj).encode()
+
+    response = client.post(
+        "/webhook/gitea",
+        content=raw,
+        headers={
+            "X-Gitea-Event": "issue_comment",
+            "X-Gitea-Delivery": "d-fix-unsupported",
+            "X-Gitea-Signature": _sign(raw),
+            "Content-Type": "application/json",
+        },
+    )
+
+    assert response.status_code == 200
+    assert response.json()["reason"] == "unsupported command"
+    assert response.json()["command"] == "fix"
+    assert any("no longer supported" in body for body in posted_comments)
+    session_factory = get_session_factory()
+    with session_factory() as session:
+        queued = session.execute(select(ReviewJob).where(ReviewJob.trigger_comment_id == 444)).scalar_one_or_none()
+        assert queued is None
+
+
+def test_webhook_replies_for_unknown_prefixed_command(monkeypatch) -> None:
+    posted_comments: list[str] = []
+    monkeypatch.setattr(
+        "gitea_codex_bot.services.gitea.GiteaClient.post_issue_comment",
+        lambda _self, _repo, _pr, body: posted_comments.append(body) or 100,
+    )
+
+    client = TestClient(app)
+    payload_obj = _payload("@codex deploy", username="alice", comment_id=445)
+    raw = json.dumps(payload_obj).encode()
+
+    response = client.post(
+        "/webhook/gitea",
+        content=raw,
+        headers={
+            "X-Gitea-Event": "issue_comment",
+            "X-Gitea-Delivery": "d-unknown-unsupported",
+            "X-Gitea-Signature": _sign(raw),
+            "Content-Type": "application/json",
+        },
+    )
+
+    assert response.status_code == 200
+    assert response.json()["reason"] == "unsupported command"
+    assert response.json()["command"] == "deploy"
+    assert any("not supported" in body for body in posted_comments)
+
+
 def test_webhook_logs_when_repo_not_allowed(monkeypatch) -> None:
     messages: list[str] = []